🏭 Factory-direct JCOE LSAW steel pipe manufacturer — API 5L PSL2 · ISO 3183 · Ø406–1422 mm · Grades to X80/L555
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Production Capability & Size Range

Two JCOE LSAW production lines, both producing to API SPEC 5L / ISO 3183 PSL2, cover outside diameters from Ø406.4 mm to Ø1422.4 mm and wall thickness from 6.35 mm to 52.37 mm in grades L245 to L555 / X80.

EN 10204 3.1 mill certificate SGS / BV / TÜV on request 11 × 100% in-process inspection

Send your size list for a capability check →

Workshop 1 — Oil & Gas Line Pipe

Size and capacity list of 1# Oil & Gas linepipe workshop
Outside diameter
Ø508 – Ø1422 mm (20" – 56")
Wall thickness
7.92 – 52.37 mm
Steel grade
Gr.B/L245 – X80/L555
Standard
API SPEC 5L / ISO 3183 PSL2

Workshop 2 — New Energy Line Pipe

Size and capacity list of 2# New Energy linepipe workshop
Outside diameter
Ø406 – Ø1016 mm (16" – 40")
Wall thickness
6.35 – 35.71 mm
Steel grade
Gr.B/L245 – X80/L555
Standard
API SPEC 5L / ISO 3183 PSL2
Production range of the two JCOE LSAW lines: Ø406–1422 mm outside diameter, wall thickness 6.35–52.37 mm, grades L245 to L555 / X80
JCOE LSAW production route from steel plate to inspection and coating

Workshop 1 — maximum wall thickness by diameter and grade (mm)

Line pipe standard: API SPEC 5L / ISO 3183 PSL2. “Min” is the minimum producible wall thickness at that diameter; the grade columns give the maximum wall thickness per grade.

OD mmOD inchMinGr.B/L245X42/L290X46/L320X52/L360X60/L415X65/L450X70/L485X80/L555
508207.9228.5826.9726.9723.8323.8322.2320.6414.27
559227.9228.5826.9726.9723.8323.8322.2320.6414.27
610247.9230.1828.5828.5825.4025.4025.4022.2315.88
711287.9230.9630.1830.1828.5828.5828.5825.4017.48
762307.9231.7530.1830.1828.5828.5828.5825.4019.05
813327.9231.7530.9630.9628.5828.5828.5825.4020.62
914367.9233.2331.7531.7531.7530.9630.1828.5822.23
1016407.9235.7133.2333.2331.7531.7530.1828.5823.32
1067427.9235.7133.2332.5432.5431.7530.1830.1825.40
1118447.9236.5335.7133.3232.5431.7530.1830.9626.97
1219489.5340.4938.8935.7133.3233.3231.7531.7528.58
1321529.5347.6344.4538.1035.7135.7133.3233.3228.58
1422569.5352.3747.6344.4538.1038.1035.7135.7130.18

Workshop 2 — maximum wall thickness by diameter and grade (mm)

New energy line pipe workshop, focused on hydrogen, CO₂ and new-energy transmission.

OD mmOD inchMinGr.B/L245X42/L290X46/L320X52/L360X60/L415X65/L450X70/L485X80/L555
406166.3526.9725.4025.4022.2322.2320.6219.0514.27
457186.3526.9725.4025.4022.2322.2320.6219.0514.27
508206.3528.5826.9726.9723.8323.8322.2320.6414.27
559226.3528.5826.9726.9723.8323.8322.2320.6414.27
610247.1330.1828.5828.5825.4025.4025.4022.2315.88
660267.1330.1828.5828.5825.4025.4026.9722.2315.88
711287.1330.9630.1830.1828.5828.5828.5825.4015.88
762307.1331.7530.1830.1828.5828.5828.5825.4017.48
813327.9231.7530.9630.9628.5828.5828.5828.5817.48
914367.9233.2331.7531.7531.7531.7530.1828.5819.05
1016407.9235.7133.2333.2331.7531.7530.1828.5822.22

Wall thickness combinations outside the table, intermediate diameters, heavy-wall requirements and fixed lengths can be discussed with our engineering team — the rolling schedule determines availability. Please confirm the exact combination in writing before ordering.

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Inspection

11 × 100% in-process inspections and a CNAS-accredited laboratory.

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Grades and heat treatment tuned for hydrogen and supercritical CO₂ service.

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Need a specific diameter and wall combination?

Send the size list — we confirm producibility, weight and price within one working day.

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